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Finding the Fourth Proportional to 3,273.99, 4,518.11 and 1,781.91

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Solution

The fourth proportional to 3,273.99, 4,518.11 and 1,781.91 is: 2,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.99 : 4,518.11 = 1,781.91 : x
  2. Step 2: Convert to fraction form
    3,273.99/4,518.11 = 1,781.91/x
  3. Step 3: Cross multiply
    3,273.99x = 4,518.11 × 1,781.91
  4. Step 4: Simplify right side
    3,273.99x = 8,050,856.48
  5. Step 5: Solve for x
    x = 8,050,856.48/3,273.99
  6. Step 6: Final answer
    x = 2,459.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.